diff --git a/templates/defaultfilters/datetime.cpp b/templates/defaultfilters/datetime.cpp
index 444e374..e888f00 100644
--- a/templates/defaultfilters/datetime.cpp
+++ b/templates/defaultfilters/datetime.cpp
@@ -89,11 +89,11 @@ QVariant DateFilter::doFilter(const QVariant &input, const QVariant &argument,
 {
   Q_UNUSED(autoescape)
     QDateTime d;
-    if (input.type() == QVariant::DateTime) {
+    if (input.userType() == QMetaType::QDateTime) {
         d = input.toDateTime();
-    } else if (input.type() == QVariant::Date) {
+    } else if (input.userType() == QMetaType::QDate) {
         d.setDate(input.toDate());
-    } else if (input.type() == QVariant::Time) {
+    } else if (input.userType() == QMetaType::QTime) {
         d.setTime(input.toTime());
     } else {
 #if QT_VERSION < QT_VERSION_CHECK(5, 11, 0)
@@ -116,11 +116,11 @@ QVariant TimeFilter::doFilter(const QVariant &input, const QVariant &argument,
 {
     Q_UNUSED(autoescape)
     QDateTime d;
-    if (input.type() == QVariant::DateTime) {
+    if (input.userType() == QMetaType::QDateTime) {
         d = input.toDateTime();
-    } else if (input.type() == QVariant::Date) {
+    } else if (input.userType() == QMetaType::QDate) {
         d.setDate(input.toDate());
-    } else if (input.type() == QVariant::Time) {
+    } else if (input.userType() == QMetaType::QTime) {
         d.setTime(input.toTime());
     } else {
 #if QT_VERSION < QT_VERSION_CHECK(5, 11, 0)
diff --git a/templates/defaultfilters/integers.cpp b/templates/defaultfilters/integers.cpp
index 48cea93..7c2d217 100644
--- a/templates/defaultfilters/integers.cpp
+++ b/templates/defaultfilters/integers.cpp
@@ -40,7 +40,7 @@ QVariant AddFilter::doFilter(const QVariant &input, const QVariant &argument,
   }
 
   if (input.userType() == qMetaTypeId<QStringList>()) {
-    if (argument == QVariant::StringList)
+    if (argument.userType() == QMetaType::QStringList)
       return input.toStringList() + argument.toStringList();
     return input;
   }
diff --git a/templates/defaultfilters/lists.cpp b/templates/defaultfilters/lists.cpp
index a3f327c..09796db 100644
--- a/templates/defaultfilters/lists.cpp
+++ b/templates/defaultfilters/lists.cpp
@@ -179,8 +179,13 @@ QVariant MakeListFilter::doFilter(const QVariant &_input,
 
   auto input = _input;
 
-  if (input.userType() == qMetaTypeId<int>())
-    input.convert(QVariant::String);
+  if (input.userType() == qMetaTypeId<int>()) {
+#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
+    input.convert(QMetaType::QString);
+#else
+    input.convert(QMetaType(QMetaType::QString));
+#endif
+  }
 
   if (input.userType() == qMetaTypeId<SafeString>()
       || input.userType() == qMetaTypeId<QString>()) {
@@ -260,27 +265,27 @@ struct DictSortLessThan {
     const auto l = lp.first;
     const auto r = rp.first;
     switch (l.userType()) {
-    case QVariant::Invalid:
+    case QMetaType::UnknownType:
       return (r.isValid());
-    case QVariant::Int:
+    case QMetaType::Int:
       return l.value<int>() < r.value<int>();
-    case QVariant::UInt:
+    case QMetaType::UInt:
       return l.value<uint>() < r.value<uint>();
-    case QVariant::LongLong:
+    case QMetaType::LongLong:
       return l.value<long long>() < r.value<long long>();
-    case QVariant::ULongLong:
+    case QMetaType::ULongLong:
       return l.value<unsigned long long>() < r.value<unsigned long long>();
     case QMetaType::Float:
       return l.value<float>() < r.value<float>();
-    case QVariant::Double:
+    case QMetaType::Double:
       return l.value<double>() < r.value<double>();
-    case QVariant::Char:
+    case QMetaType::Char:
       return l.toChar() < r.toChar();
-    case QVariant::Date:
+    case QMetaType::QDate:
       return l.toDate() < r.toDate();
-    case QVariant::Time:
+    case QMetaType::QTime:
       return l.toTime() < r.toTime();
-    case QVariant::DateTime:
+    case QMetaType::QDateTime:
       return l.toDateTime() < r.toDateTime();
     case QMetaType::QObjectStar:
       return l.value<QObject *>() < r.value<QObject *>();
diff --git a/templates/defaultfilters/stringfilters.cpp b/templates/defaultfilters/stringfilters.cpp
index abbc491..96924db 100644
--- a/templates/defaultfilters/stringfilters.cpp
+++ b/templates/defaultfilters/stringfilters.cpp
@@ -388,12 +388,12 @@ QVariant FloatFormatFilter::doFilter(const QVariant &input,
 {
     Q_UNUSED(autoescape)
     double inputDouble;
-    switch (input.type()) {
-    case QVariant::Int:
-    case QVariant::UInt:
-    case QVariant::LongLong:
-    case QVariant::ULongLong:
-    case QVariant::Double:
+    switch (input.userType()) {
+    case QMetaType::Int:
+    case QMetaType::UInt:
+    case QMetaType::LongLong:
+    case QMetaType::ULongLong:
+    case QMetaType::Double:
         inputDouble = input.toDouble();
         break;
     default:
diff --git a/templates/lib/customtyperegistry.cpp b/templates/lib/customtyperegistry.cpp
index f7f29f9..bdeaf98 100644
--- a/templates/lib/customtyperegistry.cpp
+++ b/templates/lib/customtyperegistry.cpp
@@ -62,7 +62,11 @@ QVariant CustomTypeRegistry::lookup(const QVariant &object,
         auto it = types.constFind(id);
         if (it == types.constEnd()) {
             qCWarning(CUTELEE_CUSTOMTYPE)
+#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
                     << "Don't know how to handle metatype" << QMetaType::typeName(id);
+#else
+                    << "Don't know how to handle metatype" << QMetaType(id).name();
+#endif
             // :TODO: Print out error message
             return QVariant();
         }
@@ -70,7 +74,11 @@ QVariant CustomTypeRegistry::lookup(const QVariant &object,
         const CustomTypeInfo &info = it.value();
         if (!info.lookupFunction) {
             qCWarning(CUTELEE_CUSTOMTYPE)
+#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
                     << "No lookup function for metatype" << QMetaType::typeName(id);
+#else
+                    << "No lookup function for metatype" << QMetaType(id).name();
+#endif
             lf = 0;
             // :TODO: Print out error message
             return QVariant();
diff --git a/templates/lib/metatype.cpp b/templates/lib/metatype.cpp
index cb36d43..29e4c6d 100644
--- a/templates/lib/metatype.cpp
+++ b/templates/lib/metatype.cpp
@@ -261,7 +261,11 @@ QVariant Cutelee::MetaType::lookup(const QVariant &object,
 
     return QVariant();
   }
+#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
   auto mo = QMetaType::metaObjectForType(object.userType());
+#else
+  auto mo = QMetaType(object.userType()).metaObject();
+#endif
   if (mo) {
     QMetaType mt(object.userType());
     if (mt.flags().testFlag(QMetaType::IsGadget)) {
@@ -302,4 +306,4 @@ QVariant Cutelee::MetaType::lookup(const QVariant &object,
 bool Cutelee::MetaType::lookupAlreadyRegistered(int id)
 {
   return customTypes()->lookupAlreadyRegistered(id);
-}
\ No newline at end of file
+}
diff --git a/templates/lib/qtlocalizer.cpp b/templates/lib/qtlocalizer.cpp
index 5495dec..d5d8a89 100644
--- a/templates/lib/qtlocalizer.cpp
+++ b/templates/lib/qtlocalizer.cpp
@@ -305,7 +305,11 @@ void QtLocalizer::pushLocale(const QString &localeName)
     localeStruct = new Locale(QLocale(localeName));
     auto qtTranslator = new QTranslator;
     qtTranslator->load(QStringLiteral("qt_") + localeName,
+#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
                        QLibraryInfo::location(QLibraryInfo::TranslationsPath));
+#else
+                       QLibraryInfo::path(QLibraryInfo::TranslationsPath));
+#endif
     localeStruct->systemTranslators.append(qtTranslator);
     auto appTranslator = new QTranslator;
     appTranslator->load(d->m_appTranslatorPrefix + localeName,
diff --git a/templates/lib/util.cpp b/templates/lib/util.cpp
index 4666d69..2e9cb95 100644
--- a/templates/lib/util.cpp
+++ b/templates/lib/util.cpp
@@ -40,22 +40,22 @@ bool Cutelee::variantIsTrue(const QVariant &variant)
   if (!variant.isValid())
     return false;
   switch (variant.userType()) {
-  case QVariant::Bool: {
+  case QMetaType::Bool: {
     return variant.toBool();
   }
-  case QVariant::Int: {
+  case QMetaType::Int: {
     return variant.value<int>() > 0;
   }
-  case QVariant::UInt: {
+  case QMetaType::UInt: {
     return variant.value<uint>() > 0;
   }
-  case QVariant::LongLong: {
+  case QMetaType::LongLong: {
     return variant.value<qlonglong>() > 0;
   }
-  case QVariant::ULongLong: {
+  case QMetaType::ULongLong: {
     return variant.value<qulonglong>() > 0;
   }
-  case QVariant::Double: {
+  case QMetaType::Double: {
     return variant.value<double>() > 0;
   }
   case QMetaType::Float: {
@@ -74,10 +74,10 @@ bool Cutelee::variantIsTrue(const QVariant &variant)
     }
     return true;
   }
-  case QVariant::List: {
+  case QMetaType::QVariantList: {
     return !variant.value<QVariantList>().isEmpty();
   }
-  case QVariant::Hash: {
+  case QMetaType::QVariantHash: {
     return !variant.value<QVariantHash>().isEmpty();
   }
   }
@@ -116,16 +116,16 @@ bool Cutelee::isSafeString(const QVariant &input)
 {
   const auto type = input.userType();
   return ((type == qMetaTypeId<Cutelee::SafeString>())
-          || type == QVariant::String);
+          || type == QMetaType::QString);
 }
 
 static QList<int> getPrimitives()
 {
   QList<int> primitives;
-  primitives << qMetaTypeId<Cutelee::SafeString>() << QVariant::String
-             << QVariant::Bool << QVariant::Int << QVariant::Double
-             << QMetaType::Float << QVariant::Date << QVariant::Time
-             << QVariant::DateTime;
+  primitives << qMetaTypeId<Cutelee::SafeString>() << QMetaType::QString
+             << QMetaType::Bool << QMetaType::Int << QMetaType::Double
+             << QMetaType::Float << QMetaType::QDate << QMetaType::QTime
+             << QMetaType::QDateTime;
   return primitives;
 }
 
@@ -146,11 +146,11 @@ bool Cutelee::equals(const QVariant &lhs, const QVariant &rhs)
     if (rhs.userType() == qMetaTypeId<Cutelee::SafeString>()) {
       equal = (lhs.value<Cutelee::SafeString>()
                == rhs.value<Cutelee::SafeString>());
-    } else if (rhs.userType() == QVariant::String) {
+    } else if (rhs.userType() == QMetaType::QString) {
       equal = (lhs.value<Cutelee::SafeString>() == rhs.toString());
     }
   } else if (rhs.userType() == qMetaTypeId<Cutelee::SafeString>()
-             && lhs.userType() == QVariant::String) {
+             && lhs.userType() == QMetaType::QString) {
     equal = (rhs.value<Cutelee::SafeString>() == lhs.toString());
   } else if (rhs.userType() == qMetaTypeId<MetaEnumVariable>()) {
     if (lhs.userType() == qMetaTypeId<MetaEnumVariable>()) {
diff --git a/templates/tests/testbuiltins.cpp b/templates/tests/testbuiltins.cpp
index 862f533..d4e20e7 100644
--- a/templates/tests/testbuiltins.cpp
+++ b/templates/tests/testbuiltins.cpp
@@ -293,7 +293,11 @@ void TestBuiltinSyntax::testObjects()
   SafeString s3(s1);
   Q_UNUSED(s3);
 
+#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
   QMetaType::construct(qMetaTypeId<MetaEnumVariable>(), 0, 0);
+#else
+  QMetaType(qMetaTypeId<MetaEnumVariable>()).construct(0, 0);
+#endif
 }
 
 void TestBuiltinSyntax::testTruthiness_data()
diff --git a/textdocument/lib/markupdirector.cpp b/textdocument/lib/markupdirector.cpp
index 7cfd29c..0f93174 100644
--- a/textdocument/lib/markupdirector.cpp
+++ b/textdocument/lib/markupdirector.cpp
@@ -590,8 +590,12 @@ void MarkupDirector::processOpeningElements(QTextBlock::iterator it)
       d->m_openFontPointSize = fragmentFormat.font().pointSize();
       break;
     case SpanFontFamily:
-      m_builder->beginFontFamily(fragmentFormat.fontFamily());
+#if QT_VERSION < QT_VERSION_CHECK(6, 1, 0)
       d->m_openFontFamily = fragmentFormat.fontFamily();
+#else
+      d->m_openFontFamily = fragmentFormat.fontFamilies().toStringList().first();
+#endif
+      m_builder->beginFontFamily(d->m_openFontFamily);
       break;
     case SpanBackground:
       m_builder->beginBackground(fragmentFormat.background());
@@ -669,7 +673,11 @@ QSet<int> MarkupDirector::getElementsToClose(QTextBlock::iterator it) const
   auto fontForeground = fragmentFormat.foreground();
   auto fontBackground = fragmentFormat.background();
 
+#if QT_VERSION < QT_VERSION_CHECK(6, 1, 0)
   auto fontFamily = fragmentFormat.fontFamily();
+#else
+  auto fontFamily = fragmentFormat.fontFamilies().toStringList().first();
+#endif
   auto fontPointSize = fragmentFormat.font().pointSize();
   auto anchorHref = fragmentFormat.anchorHref();
 
@@ -767,7 +775,11 @@ QList<int> MarkupDirector::getElementsToOpen(QTextBlock::iterator it)
   auto fontForeground = fragmentFormat.foreground();
   auto fontBackground = fragmentFormat.background();
 
+#if QT_VERSION < QT_VERSION_CHECK(6, 1, 0)
   auto fontFamily = fragmentFormat.fontFamily();
+#else
+  auto fontFamily = fragmentFormat.fontFamilies().toStringList().first();
+#endif
   auto fontPointSize = fragmentFormat.font().pointSize();
   auto anchorHref = fragmentFormat.anchorHref();
 
diff --git a/textdocument/tests/CMakeLists.txt b/textdocument/tests/CMakeLists.txt
index e51fe6c..311b349 100644
--- a/textdocument/tests/CMakeLists.txt
+++ b/textdocument/tests/CMakeLists.txt
@@ -22,4 +22,3 @@ cutelee_textdocument_unit_tests(
   htmlbuildertest
   plainmarkupbuildertest
 )
-target_compile_definitions(plainmarkupbuildertest_exec PRIVATE QT_TESTCASE_BUILDDIR="${CMAKE_BINARY_DIR}")